// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/path_service.h"
#include "base/string_util.h"
#include "chrome/browser/extensions/extensions_ui.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/json_value_serializer.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace {
  static DictionaryValue* DeserializeJSONTestData(const FilePath& path,
      std::string *error) {
    Value* value;

    JSONFileValueSerializer serializer(path);
    value = serializer.Deserialize(NULL, error);

    return static_cast<DictionaryValue*>(value);
  }

  static bool CompareExpectedAndActualOutput(
      const FilePath& extension_path,
      const std::vector<ExtensionPage>& pages,
      const FilePath& expected_output_path) {
    // TODO(rafaelw): Using the extension_path passed in above, causes this
    // unit test to fail on linux. The Values come back valid, but the
    // UserScript.path() values return "".
#if defined(OS_WIN)
    FilePath path(FILE_PATH_LITERAL("c:\\foo"));
#elif defined(OS_POSIX)
  FilePath path(FILE_PATH_LITERAL("/foo"));
#endif
    Extension extension(path);
    std::string error;

    FilePath manifest_path = extension_path.Append(
        Extension::kManifestFilename);
    scoped_ptr<DictionaryValue> extension_data(DeserializeJSONTestData(
        manifest_path, &error));
    EXPECT_EQ("", error);
    EXPECT_TRUE(extension.InitFromValue(*extension_data, true, &error));
    EXPECT_EQ("", error);

    scoped_ptr<DictionaryValue> expected_output_data(DeserializeJSONTestData(
        expected_output_path, &error));
    EXPECT_EQ("", error);

    // Produce test output.
    scoped_ptr<DictionaryValue> actual_output_data(
        ExtensionsDOMHandler::CreateExtensionDetailValue(NULL, &extension,
                                                         pages, true));

    // Compare the outputs.
    return expected_output_data->Equals(actual_output_data.get());
  }
}  // namespace

TEST(ExtensionUITest, GenerateExtensionsJSONData) {
  FilePath data_test_dir_path, extension_path, expected_output_path;
  EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &data_test_dir_path));

  // Test Extension1
  extension_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("good")
      .AppendASCII("Extensions")
      .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
      .AppendASCII("1.0.0.0");

  std::vector<ExtensionPage> pages;
  pages.push_back(ExtensionPage(
      GURL("chrome-extension://behllobkkfkfnphdnhnkndlbkcpglgmj/bar.html"),
      42, 88));
  pages.push_back(ExtensionPage(
      GURL("chrome-extension://behllobkkfkfnphdnhnkndlbkcpglgmj/dog.html"),
      0, 0));

  expected_output_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("ui")
      .AppendASCII("create_extension_detail_value_expected_output")
      .AppendASCII("good-extension1.json");

  EXPECT_TRUE(CompareExpectedAndActualOutput(extension_path, pages,
      expected_output_path)) << extension_path.value();

  // Test Extension2
  extension_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("good")
      .AppendASCII("Extensions")
      .AppendASCII("hpiknbiabeeppbpihjehijgoemciehgk")
      .AppendASCII("2");

  expected_output_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("ui")
      .AppendASCII("create_extension_detail_value_expected_output")
      .AppendASCII("good-extension2.json");

  // It's OK to have duplicate URLs, so long as the IDs are different.
  pages[1].url = pages[0].url;

  EXPECT_TRUE(CompareExpectedAndActualOutput(extension_path, pages,
      expected_output_path)) << extension_path.value();

  // Test Extension3
  extension_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("good")
      .AppendASCII("Extensions")
      .AppendASCII("bjafgdebaacbbbecmhlhpofkepfkgcpa")
      .AppendASCII("1.0");

  expected_output_path = data_test_dir_path.AppendASCII("extensions")
      .AppendASCII("ui")
      .AppendASCII("create_extension_detail_value_expected_output")
      .AppendASCII("good-extension3.json");

  pages.clear();

  EXPECT_TRUE(CompareExpectedAndActualOutput(extension_path, pages,
      expected_output_path)) << extension_path.value();
}